Guide to file types

When looking at devices, you need to know what file types they support. Here are common file types for ebooks, audiobooks and music.

format type Used by
aac audio iTunes
mp3 audio Freegal, many ereaders, mp3 players
wma audio Windows Media Audio
azw ebook Kindle
mobi ebook Kindle, free ebooks
ePub ebook Most ereaders (not Kindle), Overdrive, free ebooks
PDF

ebook/document

Overdrive, most ereaders, free ebooks
TXT raw text ebook/document free ebooks, most ereaders